Indrani Sarkar

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The actinorhizal symbiosis is a mutualistic relationship between an actinobacterium from the genus Frankia and a wide variety of dicotyledonous plants representing 8 different families of angiosperms. Molecular phylogenetic approaches have identified four major Frankia lineages that have distinctive plant host ranges. Since the first published three Frankia(More)
Various strains of the genus Bifidobacterium are crucial members of the human, animal and insect gut, associated with beneficial probiotic activities. An extensive analysis on codon and amino acid usage of the GC rich genus Bifidobacterium has been executed in the present study. Multivariate statistical analysis revealed a coupled effect of GC compositional(More)
A novel actinomycete strain, assigned as Am3, was isolated from the root nodules of Alnus nepalensis at Mirik hills, India. Analysis of the 16s rRNA gene sequence placed this new strain within the genus Prauserella. The genome was sequenced by Illumina sequencing and resulting 5.33-Mbp high quality draft genome sequenced with a G + C content of 70.0 % and(More)
Functional domains are semi-autonomous parts of proteins. The Per-Arnt-Sim (PAS) domain functions as signal-sensor in two-component systems of several bacteria. This domain exhibits large sequence diversity and is linked to other co-domains to modulate their function. In the present study, we analyzed the PAS domains found in the proteomes of several(More)
Molecular signaling networks in the actinorhizal rhizosphere select host-compatible Frankia strains, trigger the infection process and eventually the genesis of nitrogen-fixing nodules. The molecular triggers involved remain difficult to ascertain. Root exudates (RE) are highly dynamic substrates that play key roles in establishing the rhizosphere(More)
Meprins are complex and highly glycosylated multi-domain enzymes that require post-translational modifications to reach full activity. Meprins are metalloproteases of the astacin family characterized by a conserved zinc-binding motif (HExxHxxGFxHExxRxDR). Human meprin-α and -β protease subunits are 55% identical at the amino acid level, however the(More)
ETHNOPHARMACOLOGICAL RELEVANCE Acacia nilotica (L.) Delile is used as a traditional anti-diabetic remedy in Bangladesh, Pakistan, Egypt, Nigeria and is mentioned in Ayurveda as well. AIM The objective of the study was to evaluate the ethnomedicinal claim of A. nilotica leaf (ANL) extract for its efficiency in ameliorating diabetic complications. (More)
Human meprin-α and-β are important regulators of angiogenesis, cancer, inflammation, fibrosis, and neurodegenerative diseases and hence important therapeutic targets. Meprins are the only astacin proteases that are expressed in membrane-bound and secreted form. The cleavage specificity of human meprins is similar in certain cases but differs markedly in(More)
The present study has been aimed to the comparative analysis of high GC composition containing Corynebacterium genomes and their evolutionary study by exploring codon and amino acid usage patterns. Phylogenetic study by MLSA approach, indel analysis and BLAST matrix differentiated Corynebacterium species in pathogenic and non-pathogenic clusters.(More)
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